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GB 4Cr9Si2

4Cr9Si2


4Cr9Si2 material is GB GB/T 1221 (1992) Heat-resisting steel bars GB GB/T 12773 (1991) Valve steel bars for internal combustion engines - Technical requirements GB JB/T 6398 (2006) Heavy stainless acid resistant and heat resistant steel forgings Valve steel bars for internal combustion engines - Technical requirements.

Chemical composition of 4Cr9Si2, 4Cr9Si2 mechanical properties, 4Cr9Si2 datasheet, 4Cr9Si2 equivalent grade, Heat treatment and temperature process of 4Cr9Si2.


4Cr9Si2 property sheet

4Cr9Si2 Spec.

GB GB/T 1221 (1992)
Heat-resisting steel bars
GB GB/T 12773 (1991)
Valve steel bars for internal combustion engines - Technical requirements
GB JB/T 6398 (2006)
Heavy stainless acid resistant and heat resistant steel forgings

Related Materials

4Cr9Si2

Chemical Composition of 4Cr9Si2

C: 0.35 0.50
Si: 2.00 3.00
Mn: Max 0.70
P: Max 0.035
S: Max 0.030
Ni: Max 0.60
Cr: 8.00 10.00

Mechanical Properties of 4Cr9Si2

Rp0.2 (MPa) 556 (≥)
Rm (MPa) 835 (≥)
AKV (J) 42
A (%) 42
Z (%) 43
Hardness HBW 222

4Cr9Si2 shape and dimensions

4Cr9Si2 Round bar: 1mm-800mm
4Cr9Si2 Square bar: 10mm * 10mm-600mm *600mm
4Cr9Si2 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
4Cr9Si2 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
4Cr9Si2 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
4Cr9Si2 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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